<li>
            <label for="cat_id"><?php echo $this->lang->line('label.category_promotion.cat_id') ?></label>
            <div class="input"><select id="cat_id" name="cat_id" class="chzn chzn-done" style="visibility: visible;">
                <option value="0">
                  <?php echo $this->lang->line('label.option.select')?>
                </option>
                <?php 
                  $ref_objs = $this->cat_model->get_all();
                  foreach ($ref_objs as $ref) { ?>
                  <option value="<?php echo $ref["id"] ?>"
                    <?php echo empty($obj["cat_id"]) || $obj["cat_id"] != $ref["id"] ? "" : 'selected="selected"' ?>>
                    <?php echo $this->cat_model->to_string($ref) ?>
                  </option>
                <?php } ?>
              </select></div>
          </li><li>
            <label for="promotion_id"><?php echo $this->lang->line('label.category_promotion.promotion_id') ?></label>
            <div class="input"><select id="promotion_id" name="promotion_id" class="chzn chzn-done" style="visibility: visible;">
                <option value="0">
                  <?php echo $this->lang->line('label.option.select')?>
                </option>
                <?php 
                  $ref_objs = $this->promotion_model->get_all();
                  foreach ($ref_objs as $ref) { ?>
                  <option value="<?php echo $ref["id"] ?>"
                    <?php echo empty($obj["promotion_id"]) || $obj["promotion_id"] != $ref["id"] ? "" : 'selected="selected"' ?>>
                    <?php echo $this->promotion_model->to_string($ref) ?>
                  </option>
                <?php } ?>
              </select></div>
          </li><li>
            <label for="date_create"><?php echo $this->lang->line('label.category_promotion.date_create') ?></label>
            <div class="input"><input type="text" id="date_create" value="<?php echo empty($obj["date_create"]) ? "" : $obj["date_create"] ?>" name="date_create"></div>
          </li>